Finding the Fourth Proportional to 354,959.05, 489,863.33 and 193,829.05
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Solution
The fourth proportional to 354,959.05, 489,863.33 and 193,829.05 is: 267,494.92
Step by Step Solution
- Step 1: Write the proportion equation
354,959.05 : 489,863.33 = 193,829.05 : x - Step 2: Convert to fraction form
354,959.05/489,863.33 = 193,829.05/x - Step 3: Cross multiply
354,959.05x = 489,863.33 × 193,829.05 - Step 4: Simplify right side
354,959.05x = 94,949,743,883.74 - Step 5: Solve for x
x = 94,949,743,883.74/354,959.05 - Step 6: Final answer
x = 267,494.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.